Audi A6 / S6 Audi A6 / S6 2018 Cadillac XTS Cadillac XTS 2016

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Audi A6 / S6 vs. Cadillac XTS Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Audi A6 / S6 vs. Cadillac XTS Invoice Comparison

Lowest Total Price: $75,170

Cadillac XTS V-Sport Platinum   
Difference: $10,120

Lowest Total Invoice: $70,247

Cadillac XTS V-Sport Platinum   
Difference: $9,150

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  Down Payment Interest Rate Term
Model Year20182016
ModelA6 / S6XTS
TrimS6 4.0 TFSIV-Sport Platinum
Body4dr Sedan4dr Sedan
Base Price $71,900 $72,320
Base Invoice $66,868 $67,619
Prestige Package 2,500  
Driver Assistance Package 2,000  
Cold Weather Package 500  
Comfort Seating Package 1,850  
Metallic paint (extra cost) 575  
Rear side airbags 350  
Cargo mat 190 120
All-weather floor mats 200 140
Wood trim, alternative type 1,250  
Synthetic suede headliner 3,000  
Paint, special red   995
CD player, remote   250
Temporary spare tire   350
Prestige Package 2,326  
Driver Assistance Package 1,860  
Cold Weather Package 467  
Comfort Seating Package 1,722  
Metallic paint (extra cost) 536  
Rear side airbags 325  
Cargo mat 178 106
All-weather floor mats 186 123
Wood trim, alternative type 1,164  
Synthetic suede headliner 2,790  
Paint, special red   876
CD player, remote   220
Temporary spare tire   308
Options (change) 12,415 1,855
Options (change) 11,554 1,633
Destination 975 995
Total Price $85,290 $75,170
Total Invoice $79,397 $70,247

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A6 / S6 vs. Cadillac XTS

Lowest Adjusted Price and Invoice: Cadillac XTS V-Sport Platinum
TrueDelta Adjusted Price Difference: $9,965
TrueDelta Adjusted Invoice Difference: $9,006
Model Year20182016
ModelA6 / S6XTS
TrimS6 4.0 TFSIV-Sport Platinum
Body4dr Sedan4dr Sedan
Engine450hp V8410hp V6
TransmissionS7T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)16/24 MPG16/24 MPG
Audio (watts, speakers)630, 14?, 14
Tire (rear if not all the same)255/35-20245/40-20
Total Price$85,290$75,170
Adjustments for Features-1550
Feature-Adjusted Total Price$85,135$75,170
Total Invoice$79,397$70,247
Adjustments for Features-1440
Feature-Adjusted Total Invoice$79,253$70,247

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Features Comparison: Audi A6 / S6 vs. Cadillac XTS

Model Year20182016
ModelA6 / S6XTS
TrimS6 4.0 TFSIV-Sport Platinum
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
AC power outlet $100
Active noise reduction $0
Hands-free trunk or liftgate$100 
Power trunk closer$350 
Remote app $25
Remote start $150
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Backup collision intervention $150
Collision preparation system, rear$100 
Cross-traffic warning, rear $100
Lane departure prevention, steering-based$200 
Secondary collision brake assist$25 
Vehicle health reports $0
Wide-view front camera$150 
Wide-view rear camera$0 
Climate Control 
Heated windshield washer nozzles$15 
Rear dual-zone climate control$125 
Residual heat$50 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
App support $0
CD player$125 
CD player, remote $100
DVD-compatible player$0 
Handwriting recognition$200 
In-vehicle Internet$150 
Media drive$15 
Rear seat audio controls $25
SD Card slot$25 
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel information$25 
Traffic information $25
Voice control for external devices $0
Wireless charging station $75
Instruments, Lights, and Mirrors 
Approach detection $25
Boost gauge $75
Cornering lights $50
Fog light, rear$100 
Large color reconfigurable instrument cluster display $250
LED headlights$1000 
Mirror tilt-down in reverse$25 
Steering-linked headlights $150
Xenon HID headlights $500
Seats and Interior Trim 
Coordinated climate control, front seats $0
Leather-wrapped steering wheel$150 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals$75 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Polished alloy wheels $350
Rear air springs, auto-leveling $350
Sport suspension (upgrade)$0 
Total Value of Features$9,205$9,050
Value of Feature Adjustments$155$0
Value of Feature Adjustments-1440

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Specifications Comparison: Audi A6 / S6 vs. Cadillac XTS

Model Year20182016
ModelA6 / S6XTS
Body4dr Sedan4dr Sedan
Wheelbase114.6 in111.7 in
Length194.2 in202.0 in
Width73.8 in72.9 in
Height57.8 in59.5 in
Curb Weight4,398 lb.4,364 lb.
Fuel Capacity19.8 gal.19.0 gal.
Row 1 Headroom37.2 in39.0 in
Row 1 Shoulder Room57.5 in57.9 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in37.8 in
Row 2 Shoulder Room56.3 in56.3 in
Row 2 Hip Room0.0 in54.3 in
Row 2 Legroom37.4 in40.0 in
Cargo Volume14.1 ft318.0 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Power trunk closer350No
Head-up display (HUD)350Yes
Around view cameras300Yes
Wide-view front camera150No
Hands-free trunk or liftgate100No
Wide-view rear camera0No
Total Requested100063%
Total Not Requested60037%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Total Requested150088%
Total Not Requested20012%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100No
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support length adjuster, passenger seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested85068%
Total Not Requested40032%

Option Package Details
Cadillac XTS V-Sport Platinum

Paint, special red
FeatureValueRequested?
Paint, special red0No
Metallic paint (extra cost)250Yes
Total Requested250100%
Total Not Requested00%
CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%

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